JX 12 then OZ 9523 at San Francisco
Taipei → San Francisco → Newark
Timetable, San Francisco time
19:10JX 12 from Taipei at the gatealso AS 7218, AA 8366
16:30OZ 9523 to Newark leaves the gate
21 h 20 apart on the timetable, overnight
OZ 9523 leaves 21 h 20 after JX 12 arrives on the timetable: more than half a day, so not a connection we count.